Who owns AMPL?
Institutional ownership of Amplitude Inc. from Form 13F, Q2 2026
202 institutional managers reported holding Amplitude Inc. (AMPL) in Form 13F filings for Q2 2026, with 80,430,181 shares worth $615M. The largest reported holder was Wellington Management Group LLP. Managers that filed both quarters cut a net 2,851,562 shares (-3.4%). 33 opened new positions and 47 sold out.
- Funds holding
- 202
- Value held
- $615M
- New / sold out
- 33 / 47
- Net shares, same filers
- -3.4%
Holdings as of June 30, 2026, the end of Q2 2026. Managers have 45 days after a quarter ends to file Form 13F (by August 14, 2026 for Q2 2026), so positions may have changed since.
Largest holders of AMPL
| Fund | Value | Share of 13F holdings | Shares | Move |
|---|---|---|---|---|
| Wellington Management Group LLP | $84.8M | 13.8% | 11,086,006 | Trimmed |
| BlackRock, Inc. | $76.8M | 12.5% | 10,044,780 | Trimmed |
| Vanguard Portfolio Management LLC | $46.5M | 7.6% | 6,083,939 | Trimmed |
| FMR LLC | $45.7M | 7.4% | 5,979,436 | Added |
| Vanguard Capital Management LLC | $30.1M | 4.9% | 3,939,697 | Trimmed |
| SC US (ttgp), LTD. | $21.4M | 3.5% | 2,798,951 | Unchanged |
| State Street Corp | $19.9M | 3.2% | 2,604,696 | Added |
| Geode Capital Management, LLC | $19.0M | 3.1% | 2,477,561 | Added |
| Trigran Investments, Inc. | $17.8M | 2.9% | 2,321,209 | Added |
| Baillie Gifford & Co | $13.6M | 2.2% | 1,779,555 | Trimmed |
| Optimus Prime Fund Management Co., Ltd. | $12.1M | 2.0% | 1,580,100 | Unchanged |
| AQR Capital Management LLC | $11.5M | 1.9% | 1,508,350 | Added |
| Point72 Asset Management, L.P. | $10.8M | 1.8% | 1,409,424 | Trimmed |
| Morgan Stanley | $8.8M | 1.4% | 1,149,750 | Added |
| Gagnon Securities LLC | $8.1M | 1.3% | 1,055,508 | Trimmed |
| Royce & Associates LP | $8.0M | 1.3% | 1,050,976 | New |
| Squarepoint Ops LLC | $7.8M | 1.3% | 1,021,647 | Added |
| Jacobs Levy Equity Management, Inc | $7.3M | 1.2% | 959,626 | Trimmed |
| Northern Trust Corp | $7.1M | 1.1% | 924,363 | Added |
| Dimensional Fund Advisors LP | $6.9M | 1.1% | 896,254 | Added |
| Citadel Advisors LLC | $6.7M | 1.1% | 872,866 | Added |
| Meros Investment Management, LP | $6.3M | 1.0% | 827,977 | Trimmed |
| Charles Schwab Investment Management Inc | $6.1M | 1.0% | 803,643 | Added |
| Monimus Capital Management, LP | $6.0M | 1.0% | 783,808 | Trimmed |
| CenterBook Partners LP | $5.9M | 1.0% | 771,163 | Added |
Share of 13F holdings is each fund's shares as a share of the 80,430,181 AMPL shares all 13F filers reported, not of shares outstanding.
Biggest buyers in Q2 2026
- FMR LLC Added+$20.4M
- Trigran Investments, Inc. Added+$14.8M
- Royce & Associates LP New+$8.0M
- Citadel Advisors LLC Added+$6.4M
- CenterBook Partners LP Added+$5.6M
- Lazard Asset Management LLC Added+$2.6M
- Squarepoint Ops LLC Added+$2.4M
- Dimensional Fund Advisors LP Added+$2.1M
- Numerai GP LLC Added+$2.1M
- AQR Capital Management LLC Added+$2.1M
Biggest sellers in Q2 2026
- Nuveen, LLC Trimmed-$17.5M
- Millennium Management LLC Trimmed-$12.6M
- Point72 Asset Management, L.P. Trimmed-$7.7M
- Baillie Gifford & Co Trimmed-$6.5M
- Jacobs Levy Equity Management, Inc Trimmed-$5.9M
- ArrowMark Colorado Holdings LLC Trimmed-$4.6M
- Arrowstreet Capital, Limited Partnership Trimmed-$4.1M
- Qube Research & Technologies Ltd Sold out-$4.1M
- Monimus Capital Management, LP Trimmed-$3.7M
- Y-Intercept (Hong Kong) Ltd Trimmed-$3.4M
The change in shares since the quarter before, adjusted for stock splits and priced at the Q2 2026 value per share. Funds bought $91.4M and sold $111M; 80 added and 62 trimmed.
Schedule 13D and 13G filings on AMPL
Owners of more than 5% must file within days, so these can be newer than the 13F data.
- 2026-08-06FMR LLC SCHEDULE 13G filed by Amplitude Inc.Schedule 13G
- 2026-04-28VANGUARD PORTFOLIO MANAGEMENT LLC SCHEDULE 13G filed by Amplitude Inc.Schedule 13G
- 2026-04-07WELLINGTON MANAGEMENT GROUP LLP SCHEDULE 13G filed by Amplitude Inc.Schedule 13G
- 2026-04-07WELLINGTON MANAGEMENT GROUP LLP SCHEDULE 13G filed by Amplitude Inc.Schedule 13G
- 2025-11-14ALLIANCEBERNSTEIN L.P. SCHEDULE 13G filed by Amplitude Inc.Schedule 13G
Questions about AMPL ownership
- Who owns AMPL stock?
- 202 institutional investment managers reported AMPL positions in their Form 13F filings for Q2 2026, holding 80,430,181 shares worth $615M in total. Wellington Management Group LLP reported the largest position.
- Are funds buying or selling AMPL?
- In Q2 2026, 33 managers opened new AMPL positions, 80 added, 62 trimmed and 47 sold out. Managers that filed in both quarters sold a net 2,851,562 shares.
- How current is this AMPL institutional ownership data?
- It covers holdings as of the end of Q2 2026. Managers have 45 days after the quarter ends to file Form 13F (by August 14, 2026 for Q2 2026), so positions may have changed since.
From the SEC's Form 13F data sets for Q2 2026: every 13F holdings report, matched to AMPL by CUSIP. Options are left out. AMPL news and filings · AMPL insider trades · Top funds